ON A BIG TV SHOW, TWO CDS AND A NEW SINGLE, PAUL, GEORGE, RINGO--AND JOHN--ARE TOGETHER AGAIN

IN 1989 GEORGE HARRISON WAS ASKED That Question for the thousandth time. There would be no Beatles reunion, the quiet one said, "as long as John Lennon remains dead." Yet here they were, George and Paul McCartney and Ringo Starr, in the Abbey Road studios, putting aside rancors that had festered for decades and making music. "Working together, they've found themselves again," says the Beatles' longtime record producer George Martin of the sessions last winter. "There was a great spirit of camaraderie. It's almost as though John was with them too." And he was. Lennon's audible ghost sings lead on Free...